package com.wyw.design.model.learning.behavioral.observerpattern;

/**
 * @Title   读者接口（订阅接口）
 * @Description
 * @Author Mr Wu yewen.wu.china@gmail.com
 * @Date 2023/4/18 16:44
 * Update History:
 * Author        Time            Content
 */
public interface IReader {
    public void update(String bookName);
}
